Mask



FIG. 1 is a front perspective view of the mask of this invention shownpositioned on a wearer's head;

FIG. 2 is a front view of the mask of FIG. 1;

FIG. 3 is a rear view of the mask of FIG. 1;

FIG. 4 is a left side view of the mask of FIG. 1;

FIG. 5 is a right side view of the mask of FIG. 1;

FIG. 6 is a top view of the mask of FIG. 1; and,

FIG. 7 is a bottom view of the mask of FIG. 1.

The broken line showing of the wearer's head illustrates the environmentof the mask and forms no part thereof.

CLAIM The ornamental design for a mask, as shown and described.